Increased water vapor also leads to the formation of larger ice particles that reflect more light.

更多的水汽形成更大冰晶颗粒，进而产生更大的反射效果。

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Contrails are clouds of ice particles formed around the small particles released from aircraft exhaust.

飞机划过天空时排出的尾气凝成小冰粒，它们周围逐渐聚集了更多冰粒，形成了凝结尾迹。

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Such "dirty thunderstorms" may occur when rock and ice particles loosed by exploding magma collide in the atmosphere.

火山爆炸的岩浆使得那里的岩石松动和形成了冰粒子，当它们在大气中相互碰撞时，就有可能出现像图片上的那种“肮脏雷雨”。

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It contains many groups of tiny ice particles called snow crystals.

VOA: special.2010.01.05

Sometimes,dry ice particles or liquid propane are used.

VOA: special.2010.01.05

When melting snow crystals or raindrops fall through very cold air, they freeze to form small particles of ice,called sleet.

VOA: special.2010.01.05

For example, you can also take a block of ice and grind it into tiny particles and use that to absorb methane.

FORBES: What Is Dry Water?

Scientists say these particles disturb the monsoon system and exacerbate the melting of snow and ice in the Himalayas.

BBC: South Asian bloc active at climate meeting

Dr Solomon discovered that chemical reactions destroy ozone on surfaces such as the ice crystals within high-altitude 'polar stratospheric clouds' as well as on other atmospheric particles high in the atmosphere.

BBC: News | Sci/Tech | Ozone hole reaches record size